Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver

From: Pavel Machek
Date: Wed Dec 26 2018 - 16:17:17 EST


> > root@devuan:/my/ko# ls -al /dev/ttyS0
> > crw-rw---- 1 root dialout 4, 64 Dec 23 11:52 /dev/ttyS0
> >
> > but not gsm multiplex:
> >
> > root@devuan:/my/ko# ls -al /dev/gsm*
> > ls: cannot access '/dev/gsm*': No such file or directory
> Hmm with serdev you should not get /dev/ttyS0, so maybe you're missing:
> Probably the Kconfig dependency should be for SERIAL_DEV_CTRL_TTYPORT
> instead of SERIAL_DEV_BUS in these patches if that helps.
> Or else you're missing the serdev related dts changes?

Seems like I was missing the dts changes. I was using kexec (did not
want to replace a working kernel) and that seems to use the old dtb.

gnss0 now seems to work, and I do get some kind of replies from the AT
modem. Thanks!

I'll reply to the original email with bad news and more details...

(cesky, pictures)

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